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Validating a Social Security Number [message #7354]

Fri, 06 June 2003 12:14

Mel
Messages: 7
Registered: May 2002

Junior Member

I have a variable (SSN_NUM) declared as VARCHAR2(15). I would like to validate this variable to confirm it only contains numbers 0-9. Is there a built-in that would do this?

Thanks!!
Mel

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Re: Validating a Social Security Number [message #7355 is a reply to message #7354]

Fri, 06 June 2003 13:12

Todd Barry
Messages: 4819
Registered: August 2001

Senior Member

replace(translate(ssn_num, '0123456789', '0'), '0') is null

indicates only numbers. Change to IS NOT NULL to identify any values with non-numerics.

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